1. ostra   snail   whale   oyster   eel   Hint Half-n-half Clue   2. camarão   otter   clam   shrimp   manatee   Half-n-half Clue   3. estrela-do-mar   jellyfish   shark   starfish   swordfish   Half-n-half Clue   4. polvo   eel   octopus   whale   jellyfish   Half-n-half Clue   5. foca   seal   starfish   eel   jellyfish   Half-n-half Clue   6. ouriço-do-mar   swordfish   dolphin   seal   sea urchin   Half-n-half Clue   7. tubarão   swordfish   otter   shark   seal   Half-n-half Clue